Map expert Professor Jerry Brotton uncovers how maps aren't simply about getting from A to B, but are revealing snapshots of defining moments in history and tools of political power and persuasion.
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观看部分外语对白(如英语、美语、日语、韩语、泰语等)的影视节目对口语发音和口语培训有较好的效果，可以一定程度的训练听力和发音